1 //===-- sanitizer/esan_interface.h ------------------------------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file is a part of EfficiencySanitizer, a family of performance tuners. 11 // 12 // Public interface header. 13 //===----------------------------------------------------------------------===// 14 #ifndef SANITIZER_ESAN_INTERFACE_H 15 #define SANITIZER_ESAN_INTERFACE_H 16 17 #include <sanitizer/common_interface_defs.h> 18 19 // We declare our interface routines as weak to allow the user to avoid 20 // ifdefs and instead use this pattern to allow building the same sources 21 // with and without our runtime library: 22 // if (__esan_report) 23 // __esan_report(); 24 #ifdef _MSC_VER 25 /* selectany is as close to weak as we'll get. */ 26 #define COMPILER_RT_WEAK __declspec(selectany) 27 #elif __GNUC__ 28 #define COMPILER_RT_WEAK __attribute__((weak)) 29 #else 30 #define COMPILER_RT_WEAK 31 #endif 32 33 #ifdef __cplusplus 34 extern "C" { 35 #endif 36 37 // This function can be called mid-run (or at the end of a run for 38 // a server process that doesn't shut down normally) to request that 39 // data for that point in the run be reported from the tool. 40 void COMPILER_RT_WEAK __esan_report(void); 41 42 // This function returns the number of samples that the esan tool has collected 43 // to this point. This is useful for testing. 44 unsigned int COMPILER_RT_WEAK __esan_get_sample_count(void); 45 46 #ifdef __cplusplus 47 } // extern "C" 48 #endif 49 50 #endif // SANITIZER_ESAN_INTERFACE_H 51